APPENDIX. 399 



Hippophae argentea, Pursh. 

 Towards the sources of Missouri. 

 Hab. Rainy Lake. 



115. Shepherdia canadensis, Nuttall, Gen. 11. p. 241. 

 Hippophae canadensis, Pursh. 



On the borders of the Canadian Lakes. 



Hab. From Lake Winnepeek to Lake Superior. 



116. JuNiPERUS jD7'0<s/r«^«, Persoon, IL p. 632, 

 Repens, Nuttall, IL p. 245. 



CRYPTOGAMIA. 



(a) FILICES. 



117. Lycopodium 5a6maeyb/mwz, Michaux, Fl. IL p. 

 282. 



I have specimens from Labrador. 



lis. Lycopodium clavatum, Pursh, p. 652. 



Without fructifications. 



119. '^OT-RY ciuvu fumarioides, Pursh, p. Q55. 



120 PoLYPODiUM vulgare, Pursh, p. 658. 



Common to the United States and Europe. 



121. WooDsiA ilvensis, Pursh, p. 560. 

 Not uncommon northwardly. 



122. WooDsiA hyperborea, Pursh, p. 560. 



After an inspection of the plates of Skuhr, I doubt. 

 whether these two plants have not been mistaken one for 

 the other. I have named them as they appeared to me from 

 his figures and the comparisons of my European speci- 

 mens. Possibly, however, the specimens under considera- 

 tion belong to a new species altogether. 



123. AsviDivn filix femina, Pursh, p. 664. 

 Common. 



